55046857 has 8 divisors (see below), whose sum is σ = 58086560. Its totient is φ = 52021440.

The previous prime is 55046839. The next prime is 55046863. The reversal of 55046857 is 75864055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55046857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55046897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4882 + ... + 11572.

It is an arithmetic number, because the mean of its divisors is an integer number (7260820).

Almost surely, 2^55046857 is an apocalyptic number.

It is an amenable number.

55046857 is a deficient number, since it is larger than the sum of its proper divisors (3039703).

55046857 is a wasteful number, since it uses less digits than its factorization.

55046857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 55046857 is about 7419.3569128328. The cubic root of 55046857 is about 380.4032123569.

The spelling of 55046857 in words is "fifty-five million, forty-six thousand, eight hundred fifty-seven".